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5
( 2x + 2x + 3x + 4x + 4x ) + ( 10+ 25 + 25 - 10 + 0 ) = 160.000
5
15x + 50 = 160.000
5
15x + 50 = 160.000 . 5
15x + 50 = 800.000
15x = 800.000 - 50
15x = 799.950
x = 799.950
15
x = 53.300
a. 2x + 10
2 ( 53.300) + 10
106.660 + 10
= 106.670
b. 2x + 25
2 ( 53.300) + 25
106.660 + 25
= 106.685
c. 3x + 25
3 ( 53.300 ) + 25
159.990 + 25
= 160.015
d. 4x - 10
4 ( 53.300 ) - 10
213.200 - 10
= 213.190
e. 4x
4 ( 53.300 )
= 213.200